Nginx Server Errors

Bad Gateway (Nginx) — the reverse proxy received an invalid response

Payload Too Large — the request body exceeds the size limit enforced by the server

Service Unavailable

Internal Server Error — Nginx failed while processing the request or communicating with an upstream

No Response — Nginx closed the connection without returning an HTTP response

Request Header Too Large — Nginx rejected the request because header data was too large

Client Closed Request — Nginx logged that the client closed the connection first

SSL Certificate Error — an invalid client SSL certificate was presented

SSL Certificate Required — the client failed to present an identity certificate

HTTP Request Sent to HTTPS Port — plain text sent over an encrypted channel

Bad Request — Nginx rejected the request due to malformed syntax or an oversized header

Forbidden — Nginx denied access due to insufficient file permissions or an explicit deny rule

Length Required — the server refuses the request without a valid Content-Length header

URI Too Long

Range Not Satisfiable